/*
 * Copyright (C) 2010 Red Hat Inc, Steven Rostedt <srostedt@redhat.com>
 *
 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation;
 * version 2.1 of the License (not later!)
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this program; if not,  see <http://www.gnu.org/licenses>
 *
 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <errno.h>

#define __weak __attribute__((weak))

void __vdie(const char *fmt, va_list ap)
{
	int ret = errno;

	if (errno)
		perror("trace-cmd");
	else
		ret = -1;

	fprintf(stderr, "  ");
	vfprintf(stderr, fmt, ap);

	fprintf(stderr, "\n");
	exit(ret);
}

void __die(const char *fmt, ...)
{
	va_list ap;

	va_start(ap, fmt);
	__vdie(fmt, ap);
	va_end(ap);
}

void __weak die(const char *fmt, ...)
{
	va_list ap;

	va_start(ap, fmt);
	__vdie(fmt, ap);
	va_end(ap);
}

void __vwarning(const char *fmt, va_list ap)
{
	if (errno)
		perror("trace-cmd");
	errno = 0;

	fprintf(stderr, "  ");
	vfprintf(stderr, fmt, ap);

	fprintf(stderr, "\n");
}

void __warning(const char *fmt, ...)
{
	va_list ap;

	va_start(ap, fmt);
	__vwarning(fmt, ap);
	va_end(ap);
}

void __weak warning(const char *fmt, ...)
{
	va_list ap;

	va_start(ap, fmt);
	__vwarning(fmt, ap);
	va_end(ap);
}

void __vpr_stat(const char *fmt, va_list ap)
{
	vprintf(fmt, ap);
	printf("\n");
}

void __pr_stat(const char *fmt, ...)
{
	va_list ap;

	va_start(ap, fmt);
	__vpr_stat(fmt, ap);
	va_end(ap);
}

void __weak vpr_stat(const char *fmt, va_list ap)
{
	__vpr_stat(fmt, ap);
}

void __weak pr_stat(const char *fmt, ...)
{
	va_list ap;

	va_start(ap, fmt);
	__vpr_stat(fmt, ap);
	va_end(ap);
}

void __weak *malloc_or_die(unsigned int size)
{
	void *data;

	data = malloc(size);
	if (!data)
		die("malloc");
	return data;
}